Duels can also be used for training purposes, as was the case in [[Hogwarts School of Witchcraft and Wizardry]] in [[1992]], when [[Defence Against the Dark Arts]] professor [[Gilderoy Lockhart]] founded the short-lived [[Duelling Club]]. Its function was to teach students self-defence while "[[Slytherin's Basilisk|Slytherin's Monster]]" was on the loose. The club did not last long, as Professor Lockhart was incompetent.<ref name="CS"/>

Duels can also be used for training purposes, as was the case in [[Hogwarts School of Witchcraft and Wizardry]] in [[1992]], when [[Defence Against the Dark Arts]] professor [[Gilderoy Lockhart]] founded the short-lived [[Duelling Club]]. Its function was to teach students self-defence while "[[Slytherin's Basilisk|Slytherin's Monster]]" was on the loose. The club did not last long, as Professor Lockhart was incompetent.<ref name="CS"/>

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==Required Skills==

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Transfiguration:

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Transfiguration is a necessity to dueling. Morphing a spell into another object is a major piece of dueling. The majority of transfiguration in dueling is nonverbal. Some spells may be cast upon another to transfigured it verbally but not often.

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Nonverbal Swiftness and Concentration:

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A spell is faster and more likely to go unnoticed long enough to hit the enemy if it is nonverbal. Nonverbal spells require utmost concentration and skill.

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Shield Charms:

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Obviously the only way to defend yourself magically is to use a shield charm.

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Resourcefulness:

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You must use your surroundings to your advantage to win a duel. Your opponent will probably use the environment to his/her advantage, therefore the only way to prevail is to use the same amount of surroundings and more magic.

A duel is a confrontation between two or more wizards or witches. The combatants face each other, bow, and then attempt to disarm, injure, or kill each other in order to force submission, and thus a winner is decided. Opponents are only permitted to use magical means of combat.

In a formal duel, one wizard or witch challenges another, although it is implied that duels are not commonplace in modern polite society. If the other person accepts, they then arrange a meeting time and place for the duel. Draco challenged Harry this way in their first year, though it was really an attempt to get Harry into trouble for being out of his dormitories after curfew[2]. Opponents bow to one another before beginning to fight, as Lord Voldemort reminded Harry Potter before their duel in the graveyard of Little Hangleton in 1995.[3] Lockhart has gone as far as twirling his hands while bowing, possibly trying to make himself look more gentlemanly. However, duellists who do not respect their opponents do not usually bow correctly, as Snape simply jerked his head, while Harry, Draco Malfoy, and Voldemort barely bent their heads at all.

Seconds

Duellists will often have a "second" in a formal duel — a person, usually a trusted ally, who will act as a replacement for one duellist if necessary. Ron Weasley volunteered to be Harry's second in the aforementioned planned duel with Draco, who chose Vincent Crabbe.[1]

Limits

There is a standard rule in duels that only magical means may be used to fight an opponent, and that there is to be no physical contact between the duellists[2]. Millicent Bulstrode broke this rule when she duelled Hermione Granger in 1992 in the Duelling Club; the much larger girl ended up wrestling Hermione to the ground and holding her in a headlock.[4]

The parties of a duel might also agree to other limits, unless planning to duel to the death, which is only common practice in a war. Minerva McGonagall, for example, informed fellow professor Horace Slughorn just before the Battle of Hogwarts that if any Slytherin attempted to sabotage their defence efforts or to fight them, they would "duel to kill", which alarmed him[5]. This may indicate that duellists generally agree not to use particularly dangerous and/or illegal spells, such as the Unforgivable Curses.

Egbert defeats Emeric and becomes the master of the Elder Wand. It should be noted that he was the only known wizard, apart from Albus Dumbledore and Harry Potter, to defeat the owner of the Elder Wand in a duel.

Albus and Grindelwald were going to expose the wizarding world and enslave muggles. Aberforth tried to stop them but Gellert was furious with him and tortured Aberforth. Albus protected his brother and a three-way Duel broke out (Duel at Godric's Hollow).

By the end of the duel Ariana Dumbledore stepped in and was killed by a rogue spell. Gellert fled and the two brothers were left in ruins.

Death Eaters were rioting at the World Cup, hanging Muggles upside down in the air and blasting tents away. Ministry of Magic workers fight the Death Eaters, until Barty Crouch Jr. fires the Dark Mark in the sky and the Death Eaters flee.

In 1996 after Dumbledores Army got exposed to Umbridge, Dumbledore blamed himself for the organisation to protect Harry and Fudge ordered Dawlish and Kingsley to arrest Dumbledore.

Dumbledore incapacitated Fudge, Umbridge, Dawlish, Percy and Kingsley despite the fact that Kingsley (Who was the only notably powerful one out of them) was a member of the Order of the Phoenix, as it would raise suspicion by Fudge. This allowed Dumbledore to escape from Hogwarts with Fawkes before they could recover.

Umbridge attempted to sack and arrest Hagrid during the night with some Aurors but McGonagall intervened.

Hagrid was resistant to stunning spells because he was half-giant as they bounced off him while McGonagall was badly injured by four stunning spells. Fang was stunned by Umbridge. Hagrid then defeated all the Aurors with his great strength and escaped from Hogwarts before Umbridge could stop him.

Tonks stunned Lucius before he could cast anything (It is unknown if this spell made contact but since Lucius didn't have another duel for a bit and that he didn't draw his wand in time it might have hit him). Tonks started duelling Bellatrix and Bellatrix attempted to kill Sirius, knocked out Tonks and one of Bellatrix's curses knocked Sirius threw the Veil of Death.

After Snape killed Albus Dumbledore in 1997, Harry pursued and tried to curse him several times. Before that Snape dueled Flitwick. Flitwick walked into Snapes office and Snape stunned him before he could do anything.

Ron disarmed Bellatrix. Harry Stunned Lucius Malfoy. Bellatrix threatened to kill Hermione with her knife and stole Harry and Ron's wand from them but Dobby dropped the shandeleir on Bellatrix and Hermione and it narrowly missed. Harry stole back his and Ron's wands and he took Draco's too. Harry stunned Greyback with the 3 wands and the spell was so powerful it lifted Greyback off his feet and he flew to the roof and back down again. Harry, Ron, Hermione and Dobby escape with the wands of Bellatrix and Draco, but Bellatrix threw her knife that killed Dobby as he Disapparated.[5]

Harry,Ron,and Hermione travel to the Room of Requirement to get Rowena Ravenclaw's Diadem; Draco, Crabbe, and Goyle follow them and they engage in a duel. Harry, Ron, and Hermione defeat Draco, Crabbe and Goyle, resulting in Crabbe's death.

Dean and Parvati were duelling individually (Dean with Dolohov and Parvati with Travers) until a masked Death Eater was distracted by Ron Weasley and Dean stunned him.Dolohov tried to curse him until Parvati casted Petrificus Totalus on him. It is unknown what happened to Travers, but since he was out numbered Dean and Parvati probably won.

Rookwood was pursuing the two wizards until Percy came and attacked Rookwood because he had killed his brother Fred. It is unknown who won this duel because both wizards had another duel against another wizard.

Voldemort used Avada Kedavra and Harry used Expelliarmus. Because Voldemort was using the Elder Wand, which owed its allegiance to Harry, not only was Voldemort disarmed, but his own curse rebounded, killing him.[5]